4111 Local and Suburban Transit
Establishments primarily engaged in furnishing local and
- Airport limousine scheduled service
- Airport transportation service, local: road or rail
- Bus line operation, local
- Cable cars, except aerial, amusement and scenic
- City and suburban bus line operation
- Commuter bus operation
- Commuter rail passenger operation
- Elevated railway operation
- Local railway passenger operation
- Monorails, regular route: except amusement and scenic
- Passenger transportation, regular route, road or rail: between airports
- Streetcar operation
- Suburban and urban railway operation
- Subway operation
- Trolley operation, except amusement and scenic

